Light tumbler, especially for everyday use for drinking water or drink, has transparent container, light body, trigger circuit, O-ring seal between circuit board, annular groove for holding board

摘要

The device has a transparent container (10), a base (50), 2 electrodes (20) on the floor of the container, an annular groove (11) for holding a circuit board (30) on the floor of the container and a number of batteries (31), a light body (32), a trigger circuit (33) and two springs (34) on the circuit board. An O-ring (40) is introduced between the circuit board and the groove for sealing. The ends of the electrodes are inserted into the springs.